content: /*
   * Copyright 2011-2016 David Karnok
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package ix;
  
  import org.junit.Test;
  
  public class IntersectTest {
  
      @Test
      public void normal() {
          Ix<Integer> source = Ix.range(1, 5).intersect(Ix.range(3, 5));
  
          IxTestHelper.assertValues(source, 3, 4, 5);
  
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void same() {
          Ix<Integer> source = Ix.range(1, 5).intersect(Ix.range(1, 5));
  
          IxTestHelper.assertValues(source, 1, 2, 3, 4, 5);
  
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void distinct() {
          Ix<Integer> source = Ix.range(1, 5).intersect(Ix.range(6, 5));
  
          IxTestHelper.assertValues(source);
  
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void distinctEmptyFirst() {
          Ix<Integer> source = Ix.<Integer>empty().intersect(Ix.range(6, 5));
  
          IxTestHelper.assertValues(source);
  
          IxTestHelper.assertNoRemove(source);
      }
  
      @Test
      public void distinctEmptySecond() {
          Ix<Integer> source = Ix.range(1, 5).intersect(Ix.<Integer>empty());
  
          IxTestHelper.assertValues(source);
  
          IxTestHelper.assertNoRemove(source);
      }
  
  }
  